Isn't nature just great!!? It produces such wonderful colour combinations and patterns even in the smallest of our creatures.
They are really colourful caterpillars. Being on that wood as background his colours are really being shown-off. I thought that it was Carolyn there for a mo.
I believe what you have there is a Black swallowtail caterpillar. See link. https://www.google.com/search?q=bla...AhVLxoMKHQpqA0oQiR4IiQE#imgrc=aaAxaJnNlBlUHM: Here is a Monarch cat.